- Lead(II)
chromate is an
inorganic compound with the
chemical formula PbCrO4. It is a
bright yellow salt that is very
poorly soluble in water. It occurs...
- a
basic lead source, additives, and a
sulfate source.
CrO42- + H2SO4+
Pb(Ac)2 • 2Pb(OH)2 →
PbCrO4+Pb2CrO5 at a pH of
approximately seven is the synthesis...
-
pigment chrome red,
which is
simply lead
chromate with lead(II)
hydroxide (
PbCrO4·
Pb(OH)2). A very
important chromate pigment,
which was used
widely in metal...
-
Crocoite is a
mineral consisting of lead chromate,
PbCrO4, and
crystallizing in the
monoclinic crystal system. It is
identical in
composition with the...
-
directly from the liquor.
Chromate containing minerals are rare. Crocoite,
PbCrO4,
which can
occur as
spectacular long red crystals, is the most commonly...
- Zinc chromate, Zn
CrO4, is a
chemical compound, a salt
containing the
chromate anion,
appearing as
odorless yellow powder or yellow-green crystals, but...
-
Chromates Na2Cr
O4 K2Cr
O4 Cs2Cr
O4 Be
CrO4 Mg
CrO4 Ca
CrO4 Sr
CrO4 Ba
CrO4 Fe2(
CrO4)3 Ni
CrO4 Ag2Cr
O4 Zn
CrO4 Cd
CrO4 PbCrO4 Pb2CrO5 [NH4]2Cr
O4 Dichromates Na2Cr2O7...
- Pb2+: Pb2+ + 2 KI →
PbI2 + 2 K+ Pb2+ + K2Cr
O4 →
PbCrO4 + 2 K+
Confirmation test for Ag+: Ag+ + KI → AgI + K+ 2Ag+ + K2Cr
O4 → Ag2Cr
O4 + 2 K+ Confirmation...
-
tetrahedral oxyanion,
three Cr-O bond
lengths are 156 pm and the
Cr-OH bond is 201 pm [HCr
O4]−
condenses to form dichromate: 2 [HCr
O4]− ⇌ [Cr2O7]2− + H2O, logKD...
-
Barium chromate, is a
yellow sand like
powder with the
formula Ba
CrO4. It is a
known oxidizing agent and
produces a
green flame when heated, a
result of...